(Translated by https://www.hiragana.jp/)
Black Tail Bumble Bee - Encyclopedia of Life
Carol McDougall   cc-by-nc-4.0

Bombus melanopygus (Black Tail Bumble Bee) is a species of Hymenoptera in the family Apidae. They visit flowers of boneset, pride of Madeira, bladderpod spiderflower, and cultivated radish.

EOL has data for 18 attributes, including:

Known occurrences, collected specimens and observations of Black Tail Bumble Bee. View this species on GBIF